It’s a bit tricky to get your mic to work on your skycomputer, but it is possible, following the guide below (basically you have two Discords and use your local system to transmit information that the skycomputer can pick up):

Hi everyone! I’ve seen some discussion pop up on how to stream using LiquidSky. Here’s a step-by-step guide on how you can stream using LiquidSky and your local machine. Here’s what you’ll need: VB-Cable Driver Discord/Teamspeak/Ventrilo

The guide itself is for streaming, but the setup for your microphone is there.